CN204359244U - The blind axis hole cubing of left crankcase protecgulum - Google Patents
The blind axis hole cubing of left crankcase protecgulum Download PDFInfo
- Publication number
- CN204359244U CN204359244U CN201420843627.9U CN201420843627U CN204359244U CN 204359244 U CN204359244 U CN 204359244U CN 201420843627 U CN201420843627 U CN 201420843627U CN 204359244 U CN204359244 U CN 204359244U
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- CN
- China
- Prior art keywords
- protecgulum
- left crankcase
- axis hole
- pad
- test board
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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- Cylinder Crankcases Of Internal Combustion Engines (AREA)
Abstract
The utility model proposes the blind axis hole cubing of a kind of left crankcase protecgulum, comprise base plate, back up pad, test board and test axle, back up pad is vertically arranged in base plate and is formed centrally T-shaped structure, is provided with the instrument connection corresponding with detected each axis hole of left crankcase protecgulum or bolt hole on the supporting plate; Test board is arranged on back up pad front by cross connecting plate and parallel with back up pad, spacing between back up pad and test board is greater than the thickness of left crankcase protecgulum, and test board is provided with the instrument connection corresponding with detected each axis hole of left crankcase protecgulum or bolt hole; The quantity of test axle is identical with instrument connection, and diameter is identical with each axis hole or bolt hole respectively, and length is greater than the spacing between back up pad and test board lateral surface.Advantageous Effects of the present utility model be can be directly perceived, quick, easy the blind axis hole of left crankcase protecgulum is detected, accuracy of detection is higher, and easy and simple to handle, structure is simple.
Description
Technical field
The utility model relates to the blind axis hole detection technique of left crankcase protecgulum, is related specifically to the blind axis hole cubing of a kind of left crankcase protecgulum.
Background technology
Motorcycle left crankcase protecgulum is generally aluminum alloy die casting, and its shape is comparatively complicated, various hole and face more, and position and size dimension require strict.In numerous various hole, axis hole beyond doubt most important hole, except self position and size dimension require strict except, itself and other hole and the position in face and the requirement of size dimension also very strict.Owing to installing or fixing needs, the axis hole end face on left crankcase protecgulum usually not in one plane, be also provided with blind axis hole and opening at two end faces of left crankcase protecgulum.So-called blind axis hole refers to the axis hole not penetrating whole left crankcase protecgulum of installation shaft.Further, these axis holes center, hole each other does not become rectangle or the Triangle-Profile of rule yet, and therefore, the spacing between needing after machining each axis hole detects, to determine crudy.Usually, adopt the test axle that insertion is corresponding with this shaft hole diameter in axis hole, by the distance between each test axle of vernier caliper measurement, then deduct axis hole radius.The spacing between axis hole can be obtained.But, if need to detect the distance of opening between the blind axis hole of left crankcase protecgulum two end faces, then only having by recording two blind axis holes relative to after the center distance between same through axial bore, obtaining by calculating.Obviously, the blind axis hole detection method of prior art left crankcase protecgulum also exists complicated operation, and not intuitively, degree of accuracy is not high, and the problem such as easily to make mistakes.
Summary of the invention
For solving the complicated operation that the blind axis hole detection method of prior art left crankcase protecgulum exists, not intuitively, degree of accuracy is not high, and the problem such as easily to make mistakes, the utility model proposes the blind axis hole cubing of a kind of left crankcase protecgulum.The blind axis hole cubing of the utility model left crankcase protecgulum, comprise base plate, back up pad, test board and test axle, back up pad is vertically arranged in base plate and is formed centrally T-shaped structure, be provided with the instrument connection corresponding with detected each axis hole of left crankcase protecgulum or bolt hole on the supporting plate, namely the position of instrument connection in back up pad, size with towards all identical with the designing requirement of left crankcase protecgulum; Test board is arranged on back up pad front by cross connecting plate and parallel with back up pad, spacing between back up pad and test board is greater than the thickness of left crankcase protecgulum, test board is provided with the instrument connection corresponding with detected each axis hole of left crankcase protecgulum or bolt hole, namely the position of instrument connection on test board, size with towards all identical with the designing requirement of left crankcase protecgulum; The quantity of test axle is identical with instrument connection, and diameter is identical with each axis hole or bolt hole respectively, and length is greater than the spacing between back up pad and test board lateral surface; Further, each test axle is inserted in corresponding instrument connection.
The Advantageous Effects of the utility model left crankcase protecgulum blind axis hole cubing be can be directly perceived, quick, easy the blind axis hole of left crankcase protecgulum is detected, accuracy of detection is higher, and easy and simple to handle, structure is simple.
Accompanying drawing explanation
Accompanying drawing 1 is the schematic three dimensional views of a left crankcase protecgulum end face;
Accompanying drawing 2 is the schematic three dimensional views of another end face of left crankcase protecgulum
Accompanying drawing 3 is the schematic three dimensional views of the blind axis hole cubing of the utility model left crankcase protecgulum;
Accompanying drawing 4 is the schematic three dimensional views of the utility model left crankcase protecgulum blind axis hole cubing when detecting.
Below in conjunction with the drawings and specific embodiments, the blind axis hole cubing of the utility model left crankcase protecgulum is further described.
Embodiment
Accompanying drawing 1 is the schematic three dimensional views of a left crankcase protecgulum end face, and accompanying drawing 2 is the schematic three dimensional views of another end face of left crankcase protecgulum, and in figure, A is through axial bore, B and C is respectively the blind axis hole of opening at left crankcase protecgulum two end faces, and D is bolt hole.As seen from the figure, owing to installing or fixing needs, the axis hole end face on left crankcase protecgulum usually not in one plane, be also provided with blind axis hole and opening at two end faces of left crankcase protecgulum.Usually, adopt the test axle that insertion is corresponding with this shaft hole diameter in axis hole, by the distance between each test axle of vernier caliper measurement, then deduct axis hole radius.The spacing between axis hole can be obtained.But, if need to detect the distance of opening between the blind axis hole of left crankcase protecgulum two end faces, then only having by recording two blind axis holes relative to after the center distance between same through axial bore, obtaining by calculating.Obviously, the blind axis hole detection method of prior art left crankcase protecgulum also exists complicated operation, and not intuitively, degree of accuracy is not high, and the problem such as easily to make mistakes.
Accompanying drawing 3 is the schematic three dimensional views of the blind axis hole cubing of the utility model left crankcase protecgulum, accompanying drawing 4 is the schematic three dimensional views of the utility model left crankcase protecgulum blind axis hole cubing when detecting, in figure, 1 is base plate, 2 is back up pad, and 3 is test board, and 4 is test axle, 5 is instrument connection, and a is left crankcase protecgulum.As seen from the figure, the blind axis hole cubing of the utility model left crankcase protecgulum, comprise base plate 1, back up pad 2, test board 3 and test axle 4, back up pad 2 is vertically arranged in base plate 1 and is formed centrally T-shaped structure, back up pad 2 is provided with the instrument connection 5 corresponding with detected each axis hole of left crankcase protecgulum or bolt hole, namely the position of instrument connection 5 in back up pad 2, size with towards all identical with the designing requirement of left crankcase protecgulum; Test board 3 is arranged on back up pad 2 front by cross connecting plate and parallel with back up pad, spacing between back up pad 2 and test board 3 is greater than the thickness of left crankcase protecgulum, test board 3 is provided with the instrument connection 5 corresponding with detected each axis hole of left crankcase protecgulum or bolt hole, namely the position of instrument connection 5 on test board 3, size with towards all identical with the designing requirement of left crankcase protecgulum; The quantity of test axle 4 is identical with instrument connection 5, and diameter is identical with each axis hole or bolt hole respectively, and length is greater than the spacing between back up pad 2 and test board 3 lateral surface; Further, each test axle 4 is inserted in corresponding instrument connection 5.Due to the position of instrument connection in the back up pad of the blind axis hole cubing of the utility model left crankcase protecgulum and test board, size with towards identical with the designing requirement of left crankcase protecgulum, therefore, when the left crankcase protecgulum machined is fitted on the supporting plate, the test axle of through axial bore A is first promoted from the outside of back up pad, if the through axial bore position of the left crankcase protecgulum machined, the words that size all meets design requirement, test axle should comparatively successfully insert in the through axial bore A of left crankcase protecgulum, again by the test axle inserting bolt through hole of bolt hole D, thus, by left crankcase protecgulum location on the supporting plate.The test axle of blind axis hole C is promoted outside back up pad, outside test board, promote blind axis hole B test axle, if the blind axis hole B of the left crankcase protecgulum machined and C position, size all meet design requirement, test axle should comparatively successfully insert in blind axis hole B and C of left crankcase protecgulum.Otherwise, then may be that the blind axis hole position of left crankcase protecgulum and size exist mismachining tolerance, and exceed permissible range.Test shaft length due to the blind axis hole cubing of the utility model left crankcase protecgulum is greater than the spacing between back up pad and test board lateral surface, therefore, it is possible to twitch test axle, then, is taken off by left crankcase protecgulum.
Obviously, the Advantageous Effects of the utility model left crankcase protecgulum blind axis hole cubing be can be directly perceived, quick, easy the blind axis hole of left crankcase protecgulum is detected, accuracy of detection is higher, and easy and simple to handle, structure is simple.
Claims (1)
1. the blind axis hole cubing of left crankcase protecgulum, it is characterized in that, this cubing comprises base plate, back up pad, test board and test axle, back up pad is vertically arranged in base plate and is formed centrally T-shaped structure, be provided with the instrument connection corresponding with detected each axis hole of left crankcase protecgulum or bolt hole on the supporting plate, namely the position of instrument connection in back up pad, size with towards all identical with the designing requirement of left crankcase protecgulum; Test board is arranged on back up pad front by cross connecting plate and parallel with back up pad, spacing between back up pad and test board is greater than the thickness of left crankcase protecgulum, test board is provided with the instrument connection corresponding with detected each axis hole of left crankcase protecgulum or bolt hole, namely the position of instrument connection on test board, size with towards all identical with the designing requirement of left crankcase protecgulum; The quantity of test axle is identical with instrument connection, and diameter is identical with each axis hole or bolt hole respectively, and length is greater than the spacing between back up pad and test board lateral surface; Further, each test axle is inserted in corresponding instrument connection.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420843627.9U CN204359244U (en) | 2014-12-25 | 2014-12-25 | The blind axis hole cubing of left crankcase protecgulum |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420843627.9U CN204359244U (en) | 2014-12-25 | 2014-12-25 | The blind axis hole cubing of left crankcase protecgulum |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204359244U true CN204359244U (en) | 2015-05-27 |
Family
ID=53260709
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420843627.9U Active CN204359244U (en) | 2014-12-25 | 2014-12-25 | The blind axis hole cubing of left crankcase protecgulum |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204359244U (en) |
-
2014
- 2014-12-25 CN CN201420843627.9U patent/CN204359244U/en active Active
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant |